Five Kingdoms are thrown into war when Luffy, a young omega ends up pregnant by the prince of a foreign country. Lawlu, Zosan, MarAce, Omegaverse.

Luffy looks like any other 19 year old, at least that's what Law thought when he had first laid his eyes on him. But what is it about Luffy's brother Ace that makes him look so distant and sad all the time? And why was Law interested in him in the first place? AU, yaoi, LawLu, mentions of SmoAce.